MOA 2023-BLG-285

Event Parameters

Internal ID:gb14-R-7-142922
Discovery date:2023-06-26T23:57:32
RA:18:06:13.51
Dec:-28:00:30.81
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
207347 18:06:13.72 -28:00:34.38 17.10 ± 0.12 4.63
207430 18:06:13.58 -28:00:27.50 17.02 ± 0.17 4.34
207493 18:06:13.47 -28:00:31.64 17.46 ± 0.18 0.27
207516 18:06:13.48 -28:00:28.24 17.66 ± 0.24 3.28
207575 18:06:13.39 -28:00:34.18 17.04 ± 0.12 3.07
207651 18:06:13.22 -28:00:30.59 16.72 ± 0.09 3.56

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 17.40 ± 0.15 3.46
2460246.889 (2023-Oct-29.389) 17.33 ± 0.18 3.59
2460246.901 (2023-Oct-29.401) 17.46 ± 0.11 2.96
2460246.911 (2023-Oct-29.411) 17.09 ± 0.13 3.44
2460246.923 (2023-Oct-29.423) 16.90 ± 0.19 3.85

Calibration: I = 27.40 - 2.5 log10(ΔF + 9479.82)

Single lens fit parameters

tmax =JD 2460129.55 ± 0.00 UT (2023-Jul-4.05)
tE =0.52 ± 0.41 days
u0 =10.7422 ± 4.8894
Ibase =5.74 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice